Descanso Detention Facility is locates at 7878 Campbell Ranch Road CA 91901.

The detainees at the center are adult men who have been arrested and are awaiting court proceedings, or who have been sentenced to serve time at the facility. The center is operated by the GEO Group, a private prison company.

The detainees at the facility are housed in dormitories, which they must share with other detainees. The dormitories are not segregated by race or ethnicity, and the beds are assigned on a first-come, first-served basis. There is no bedding provided, and detainees must bring their own.

The center has a commissary, where detainees can purchase snacks and personal items. Detainees are allowed to make phone calls, but they must purchase calling cards from the commissary in order to do so.

The center offers religious services, including Catholic Mass, Protestant services, and Islamic prayer services. There is also a library at the center, which detainees can use to check out books and magazines.